Andrew Porter noted in Opera that her rendition of 'O mio babbino caro' in a Guildhall School performance, was "with pure timbre, emotional phrasing, and a swell that would break a heart of stone".
[2] She made her professional debut at the Royal Opera House in January 2001[3] as Nannetta in Verdi's Falstaff conducted by Bernard Haitink.
Roles include Alice in Unsuk Chin’s Alice in Wonderland at its 2007 premiere at the Bayerische Staatsoper, title roles in Handel’s Deidamia (Netherlands Opera) and Cavalli’s La Calisto, Anne Trulove, Blanche in Dialogues des Carmélites, the Governess in The Turn of the Screw and Fiordiligi and Jenůfa.
[1] In 2014, Naïve released the first-ever recording of Le Vaisseau fantôme by Dietsch, conducted by Marc Minkowski with Matthews as Minna.
[4] Other recordings by Matthews include Schubert and Strauss lieder, Der Freischütz under Colin Davis and Carmina Burana with the Berlin Philharmonic under Simon Rattle.